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feat(sat): check proofs if asked to

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Simon Cruanes 2021-08-02 23:13:18 -04:00
parent 2d081c554b
commit a205c429e7
2 changed files with 9 additions and 3 deletions
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3
src/main/main.ml
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@ -149,8 +149,9 @@ let main_cnf () : _ result =
~on_new_atom:(fun _ -> incr n_atoms)
~size:`Big ()
in
S.Dimacs.parse_file solver !file >>= fun () ->
let r = S.solve solver in
let r = S.solve ~check:!check solver in
if !p_stat then (
Fmt.printf "; n-conflicts: %d n-decisions: %d n-propagations: %d@.\
; n-restarts: %d n-atoms: %d@."

9
src/main/pure_sat_solver.ml
View file

@ -40,7 +40,7 @@ module Dimacs = struct
E.of_exn_trace e
end
let solve (solver:SAT.t) : (unit, string) result =
let solve ?(check=false) (solver:SAT.t) : (unit, string) result =
let res =
Profile.with_ "solve" (fun () -> SAT.solve solver)
in
@ -50,7 +50,12 @@ let solve (solver:SAT.t) : (unit, string) result =
| SAT.Sat _ ->
let t3 = Sys.time () -. t2 in
Format.printf "Sat (%.3f/%.3f)@." t2 t3;
| SAT.Unsat _ ->
| SAT.Unsat (module US) ->
if check then (
let pr = US.get_proof() in
SAT.Proof.check (SAT.store solver) pr;
);
let t3 = Sys.time () -. t2 in
Format.printf "Unsat (%.3f/%.3f)@." t2 t3;